Date: Sun, 01 Jul 2018 16:53:03 +0900 From: ht7261@ot.x0.to To: freebsd-stable@freebsd.org Subject: zfs rootfs mount failure after upgrade to 11.2R from 11.1R-p10 Message-ID: <201807010753.w617r38G092240@www1607.sakura.ne.jp>
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Hello,
zfs rootfs mount fails for me after an upgrade from
11.1R-p10 to the recent 11.2R.
I upgraded my amd64 11.1R-p10 system to 11.2R using
"freebsd-update upgrade".
On the first reboot after the first "freebsd-update install",
the system fails when the new kernel is about to mount its
root filesystem.
--------------------
:
FreeBSD 11.2-RELEASE #0 r335510: Fri Jun 22 04:32:14 UTC 2018
root@releng2.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64
:
:
ukbd0 on uhub1
ukbd0: <ATEN Advance Tech Inc. USB DVI KVM, class 0/0, rev 1.10/1.00, addr 3> on usbus0
kbd2 at ukbd0
Mounting from zfs:zpool1/ROOT/default failed with error 6; retrying for 3 more seconds
Mounting from zfs:zpool1/ROOT/default failed with error 6.
Loader variables:
vfs.root.mountfrom=zfs:zpool1/ROOT/default
:
:
mountroot> ?
List of GEOM managed disk devices:
gpt/zfs0 msdosfs/EFI gpt/swap0 msdosfs/EFISYS gpt/EFI nvd0p3 nvd0p2 nvd0p1 cd0 nvd0
mountroot>
--------------------
If I choose 'kernel.old' at the Beastie menu, the system
boots the previous 11.1-p10 fine. (This was also updated
from previous 11.1-pX by freebsd-update.)
Below is the case for single user mode boot that I tried
AFTER the above mentioned error.
--------------------
:
FreeBSD 11.1-RELEASE-p10 #0 Tue May 8 05:21:56 UTC 2018
root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64
:
:
ukbd0 on uhub1
ukbd0: <ATEN Advance Tech Inc. USB DVI KVM, class 0/0, rev 1.10/1.00, addr 3> on usbus0
kbd2 at ukbd0
Enter full pathname of shell or RETRUN for /bin/sh:
Cannot read termcap database;
using dumb terminal settings.
# mount
zpool1/ROOT/default on / (zfs, local, noatime, read-only, nfsv4acls)
devfs on /dev (devfs, local, multilabel)
# zpool status
pool: zpool1
state: ONLINE
scan: scrub repaired 0 in (..snip..)
config:
NAME STATE READ WRITE CKSUM
zpool1 ONLINE 0 0 0
nvd0p3 ONLINE 0 0 0
errors: No known data errors
# gpart show
=> 40 500118112 nvd0 GPT (238G)
40 1600 1 efi (800K)
1640 480 - free - (204K)
2048 134217728 2 freebsd-swap (64G)
134219776 365897728 3 freebsd-zfs (174G)
500117504 648 - free - (324K)
--------------------
No hardware configuration nor BIOS/UEFI settings were touched in
between the two cases.
Were there anything that might have caused this problem
between 11.1 and 11.2?
This is an UEFI-only setup with NVMe SSD configured for
root-on-zfs, zfs-only boot. and it is an 'Intel Core
i5-7600T @ 2.00GHz' system on 'ASRock H270 Pro4' M/B
with 64GB RAM, and 'PM951 NVMe SAMSUNG 256GB' NVMe-SSD,
in case if it matters.
I am going to create another filesystem on this pool, set it
as bootfs in zpool property, and install a pristine OS there
to see what happens.
In the meantime, am I safe to run:
# freebsd-upgrade rollback
while the system is up in kernel.old (11.1p10) mode,
to get my system back to boot 11.1p10 by default?
Thank you in advance.
Hiroharu
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